Home / 874,979.48-1,207,464.47-487,790.27

Finding the Fourth Proportional to 874,979.48, 1,207,464.47 and 487,790.27

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Solution

The fourth proportional to 874,979.48, 1,207,464.47 and 487,790.27 is: 673,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,979.48 : 1,207,464.47 = 487,790.27 : x
  2. Step 2: Convert to fraction form
    874,979.48/1,207,464.47 = 487,790.27/x
  3. Step 3: Cross multiply
    874,979.48x = 1,207,464.47 × 487,790.27
  4. Step 4: Simplify right side
    874,979.48x = 588,989,417,717.64
  5. Step 5: Solve for x
    x = 588,989,417,717.64/874,979.48
  6. Step 6: Final answer
    x = 673,146.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.